Home / 61,012,861.74-91,519,263.45-15,574,641.66

Finding the Fourth Proportional to 61,012,861.74, 91,519,263.45 and 15,574,641.66

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Solution

The fourth proportional to 61,012,861.74, 91,519,263.45 and 15,574,641.66 is: 23,361,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,012,861.74 : 91,519,263.45 = 15,574,641.66 : x
  2. Step 2: Convert to fraction form
    61,012,861.74/91,519,263.45 = 15,574,641.66/x
  3. Step 3: Cross multiply
    61,012,861.74x = 91,519,263.45 × 15,574,641.66
  4. Step 4: Simplify right side
    61,012,861.74x = 1,425,379,733,220,885.50
  5. Step 5: Solve for x
    x = 1,425,379,733,220,885.50/61,012,861.74
  6. Step 6: Final answer
    x = 23,361,955.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.